<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="jquery.min.js"></script>
</head>

<body>
		welcome！ <span id = "email">我是欢迎页</span>
	
</body>

<script type="text/javascript">
	
		$("#email").ready(function(){
			var url = location.search //获取url中"?"符后的字串 ('?modFlag=business&role=1')
			 var theRequest = new Object()
			 if (url.indexOf('?') != -1) {
			 var str = url.substr(1) //substr()方法返回从参数值开始到结束的字符串；
			 var strs = str.split('&')
			 for (var i = 0; i < strs.length; i++) {
				theRequest[strs[i].split('=')[0]] = strs[i].split('=')[1]
			 }
			 console.log(theRequest);
			 $("#email").html = theRequest.email;
		 }})
		
 </script>
</html>